fix: remove checkout step from workflow

Signed-off-by: Mohammed Naser <mnaser@vexxhost.com>

Author: mnaser

.github/workflows/build.yml

@@ -16,7 +16,6 @@ jobs:
       id-token: write
       packages: write
     steps:
-      - uses: actions/checkout@v4
       - uses: vexxhost/docker-atmosphere/.github/actions/build-image@main
         with:
           image-name: python-base